<template>
    <div>
        <h1>B组件</h1>
        我是B组件--{{ tob.name }}
    </div>
</template>
<script setup>
import { ref, watch } from 'vue'
const props = defineProps({
    tob: {
        type: Object,
        default: () => {}
    }
})

</script>
<style scoped></style>
